
#include <stdio.h>
#include "calculate.h"

int main (void)
{
    int a = 2, b = 1;
    int c = 0, d = 0;

    c =add(a,b);
    d =subtraction(a,b);

    printf("a + b = %d,a - b = %d",c,d);
    return 0;

}